How popular is Franzin?

Franzin is a rare first name for men. Franzin is an equally rare surname for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Frank(#353 LAST YEAR), Francis(#480), Franco(#695), Frankie(#1009), Francois, Frantz and Franz are the prominent variation forms of Franzin (OUTSIDE TOP 2000). These forms of Franzin were popular as baby names during 1880-1889 (MEDIAN #1366) and are now much less widespread (#1219, DOWN 96%). Frank is more widely used than the rest, although Franco seems to be becoming a favorite too, while versions like Frank have become less contemporary. (TOP 2000 NAMES, 2016)